University President Leslie Wong says the school has made no decisions and is trying to figure out whether to enter into such an agreement.

Opponents of sugary beverages say the drinks add empty calories and can contribute to obesity and rotting teeth. Soda makers tell the newspaper that they offer a variety of choices, including healthy and zero-calorie drinks.

San Francisco voters in 2014 rejected a 2-cent-per-ounce tax on sugary drinks. The proposal received more than half of votes, but it needed a steep two-thirds majority to pass.

Backers will try to qualify another sugary soda tax measure for the 2016 November ballot.